# n = input('请输入你的分数：')
# if n > '90':
#     print('优秀')
# elif n >= '80':
#     print('好')
# elif n >= '70':
#     print('良')
# elif n >= '60':
#     print('可')
# else:
#     print('你要努力了')
# fenshu = int(input('请输入分数：'))
# if fenshu >= 90:
#     print('优秀')
# elif fenshu >= 80:
#     print('良')
# elif fenshu >= 70:
#     print('可以')
# elif fenshu >= 60:
#     print('加油')
# else:
#     print('你要开夜车了')
#
#
# import getpass  # 导入getpass模块
# uname = input('username: ')
# upass = getpass.getpass('password: ')
# if uname == 'bob' and upass == '123456':
#     print('登陆成功')
# else:
#     print('登陆失败')






















